he condemned sin in the flesh, so that the requirement of the Law might be fulfilled in us,
What is sin?
(CLV) 1Jn 3:4
Everyone who is doing sin is doing lawlessness also, and sin is lawlessness.
Yahshua fulfilled the law. Now the law is to be fulfilled in us.
(CLV) 1Co 11:1
Become imitators of me, according as I also am of Christ.
do not walk according to the flesh but according to the Spirit.
"he condemned sin in the flesh" In other words, don't break the law.
You are quoting old covenant rules which do not apply to gentiles.
(CLV) Mt 15:24
Now He, answering, said, "I was not commissioned except for the lost sheep of the house of
Israel."
(CLV) Hb 8:10
"For this is the covenant which I shall be covenanting with the house of
Israel after those days," the Lord is saying: "Imparting My laws to their comprehension, On their hearts, also, shall I be inscribing them, And I shall be to them for a God, And they shall be to Me for a people.
(CLV) Num 15:15
As for the assembly, there shall be one statute for you and for the sojourner sojourning with you. It shall be an eonian statute throughout your generations. Like you so shall the sojourner be before Yahweh.
(CLV) Num 15:16
One law and one custom, it shall come to be for you and for the sojourner sojourning with you.
" I, Paul, tell you this: If you are counting on circumcision to make you right with God, then Christ will be of no benefit to you."
(CLV) Ro 2:25
For circumcision, indeed, is benefiting if you should be putting law into practice, yet if you should be a transgressor of law, your circumcision has become uncircumcision.
"And it is clear that no one is justified before God by the law, because, “The righteous will live by faith.”
(CLV) Gn 15:6
Now Abram believed on Elohim, and He reckoned it to him for righteousness
(CLV) Gn 26:5
inasmuch as your father Abraham hearkened to My voice and kept My charge, My instructions, My statutes and My laws.
(CLV) Ja 2:22
You are observing that faith worked together with his works, and by works was faith perfected.
(CLV) Ja 2:23
And fulfilled was the scripture which is saying, Now "Abraham believes God, and it is reckoned to him for righteousness," and he was called "the friend of God."
(CLV) Ja 2:24
You see that by works a man is being justified, and not by faith only.